A vessel almost hemispherical shaped inside, having an over-all diameter of less than 6 inches (152.4 millimeters). The top edge does not have a flat protruding rim. It may be furnished with a cover. See also BOWL, FOOD SERVING ; BOWL, FOOD MIXING; and DISH (as modified). Excludes CASSEROLE (as modified); BOWL, SUGAR; CUP, CUSTARD; CUP, DRINKING; CUP, EGG; CUP, FEEDING; CUP, PAPER; and BOWL, FINGER.